The new 3 month rule for registering

 Is the rule for 3 consecutive months or cumulative throughout the year?  Say I come for 2 months April & May & 2 months September & October do I have to register?  How can they check this?.

Will you please provide a supporting reference for your claim (above) that there is a need to register if a "total of 183 days in a year" is achieved?

There is no such requirement in 38/2004.

There is no such requirement in Royal Decree 240/2007.

Where exactly did you get this idea from?

European Law on this topic is very clear. The period is question may be "not less than 90 days" and such periods are independent and consecutive. There is no cumulative element. It would be unlawful and would violate the Directive.

The only part 183 days plays anywhere relates to "fiscal residence" which is an entirely different topic.

Sorry to correct you.. yet again. It is not, however an "EU rule" on registration as such. There are no obligations on countries to do this. Most do not. Spain does. I also do not have a "campaign" against it as such. I merely believe that if a country does decide to exercise their option to do this, then they should do so fairly, consistently, and in accordance with the law. They should not make up rules on their own as they go along, neither should they mis-use the procedure to try to achieve objectives it was never intended for.